Tag: Michael Shulman

  • Discussing “All (∞,1)-Toposes Have Strict Univalent Universes”

    Discussing “All (∞,1)-Toposes Have Strict Univalent Universes”

    I have written before about 2-category theory, where we have objects, arrows between objects, and arrows (sometimes called 2-cells) between those arrows. The canonical example are collections of categories, which have layers of categories; functors; and natural transformations. ∞-categories generalise this to an infinite stack of layers of n-cells. An (∞,1)-category is a special case…